DNA Repair Mechanisms Quiz

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Which process helps cells maintain the integrity of their genetic information?

DNA repair (correct)

DNA transcription

DNA recombination

DNA replication

Defects in DNA repair genes can lead to what kind of disorders?

Genetic disorders (correct)

Respiratory disorders

Cardiovascular disorders

Digestive disorders

What can mutations disrupting DNA repair pathways lead to?

Enhanced immune response

Improved cellular communication

Decreased susceptibility to diseases

Increased genomic instability (correct)

Which mechanism is involved in repairing damage caused by certain cancer treatments?

Nucleotide Excision Repair (NER) Signup and view all the answers

How do proper DNA repair mechanisms impact cancer development?

Minimize the risk of malignant transformation Signup and view all the answers

Which DNA repair mechanism is responsible for repairing small, non-helix-distorting base lesions?

Base excision repair (BER) Signup and view all the answers

What kind of lesions does nucleotide excision repair (NER) primarily repair?

Bulky helix-distorting lesions Signup and view all the answers

What does DNA mismatch repair (MMR) help eliminate?

Base-base insertions and deletions Signup and view all the answers

Which factor can influence the efficiency of DNA repair mechanisms as individuals age?

Reduced activity of DNA repair enzymes Signup and view all the answers

What serves as a template for DNA polymerase during nucleotide excision repair (NER)?

Short single-stranded DNA segment containing the lesion Signup and view all the answers

Which lifestyle factor significantly affects the efficiency of DNA repair mechanisms?

Environmental exposures Signup and view all the answers

What is the role of DNA repair mechanisms in cell replication and division?

Maintaining genome stability Signup and view all the answers

Which environmental factors can cause DNA damage?

Radiation and chemicals Signup and view all the answers

What is the link between accumulated DNA damage and aging?

Accumulated DNA damage is linked to aging Signup and view all the answers

Which type of repair mechanism is important for maintaining genomic integrity?

Nucleotide excision repair (NER) Signup and view all the answers

Unrepaired DNA damage can lead to the development of which disease?

Cancer Signup and view all the answers

Which repair mechanism is crucial in preventing cancer development?

Mismatch repair (MMR) Signup and view all the answers

DNA Repair Mechanisms Quiz

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Questions and Answers

Which process helps cells maintain the integrity of their genetic information?

Defects in DNA repair genes can lead to what kind of disorders?

What can mutations disrupting DNA repair pathways lead to?

Which mechanism is involved in repairing damage caused by certain cancer treatments?

How do proper DNA repair mechanisms impact cancer development?

Which DNA repair mechanism is responsible for repairing small, non-helix-distorting base lesions?

What kind of lesions does nucleotide excision repair (NER) primarily repair?

What does DNA mismatch repair (MMR) help eliminate?

Which factor can influence the efficiency of DNA repair mechanisms as individuals age?

What serves as a template for DNA polymerase during nucleotide excision repair (NER)?

Which lifestyle factor significantly affects the efficiency of DNA repair mechanisms?

What is the role of DNA repair mechanisms in cell replication and division?

Which environmental factors can cause DNA damage?

What is the link between accumulated DNA damage and aging?

Which type of repair mechanism is important for maintaining genomic integrity?

Unrepaired DNA damage can lead to the development of which disease?

Which repair mechanism is crucial in preventing cancer development?

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